High-Strength Steel

– Nearly two-thirds of the Sierra heavy duty pickup truck cab structure is made from high-strength steels. It’s a fortress of strength that contributes to a quiet cabin.
– Sierra HD also uses high-strength steel in the fully-boxed frame rails and major frame cross-members.

2018 GMC Sierra HD
2018 GMC Sierra HD

HID Projector Headlamps with LED Signature Front Lighting

HID projector-beam headlamps and LED daytime running lamps provide enough power to light up the road and boast a premium high-tech appearance.

Available Soft-Touch Instrument Panel

The available durable soft-touch instrument panel with aluminum trim adds to the premium comfort found in the Sierra HD.

2018 GMC Sierra HD